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Analog Electronics

Analog Electronics
The room temperature resistivity of pure silicon is

 3000
 6
 50
 300

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Analog Electronics
In modern the MOSFET, the material used for the gate is

  epitaxially grown silicon.
  heavily doped poly crystalline silicon.
  high - purity silica.
  high - purity silicon.

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Analog Electronics
In a nonlinear op-amp circuit, the

  output shape is the same as the input shape.
  opamp may saturate.
  opamp never saturates.
  feedback loop is never opened.

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Analog Electronics
When P-type substance is connected with negative and n-type is connected with positive terminal of the battery then P-n junction diode is in ....................

 No biased
None of these
 Reverse biased
 Forward biased

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Analog Electronics
A 3 - phase diode bridge rectifier is fed from a 400 V rms, 50 Hz, 3 phase AC source. If the load is purely resistive, then peak instantaneous output voltage is equal to

 400√ (2/3) V.
 400 V.
 400√ 2 V.
 400 / √ 3 V.

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Analog Electronics
The most commonly used amplifier in sample & hold circuits is

A unity gain non-inverting amplifier
A unity gain inverting amplifier
An inverting amplifiers with a gain of 100
An inverting amplifier with a gain of 10

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